3M 7100138294 Scotch-brite Bristle Disc 2 in 120 Grit

Product Description

The 3M 7100138294 is a Scotch-Brite Radial Bristle Disc designed for aggressive surface preparation and finishing work. Built with proprietary ceramic abrasive grain molded directly into flexible bristles, this 2-inch diameter disc maintains consistent cutting performance from first use to last. At 120 grit, it delivers a fine enough finish for blending and polishing while still handling paint removal, rust, weld burns, heavy oxides, adhesives, and other surface contaminants. The curved bristle profile conforms to irregular and complex part geometries without the safety concerns associated with wire filaments. It is used by fabricators, welders, pipefitters, and maintenance technicians across metal surface prep applications.

This disc is suited for both shop and field use wherever surface conditioning on metal, weldments, or coated substrates is required. The 2-inch diameter makes it practical for tight areas and detail work on fabricated assemblies, pipe joints, and structural steel. Its bristle spacing handles high-loading substances such as thick coatings and heavy oxides efficiently. Residential and commercial maintenance trades use it for coating removal on steel components, while fabrication shops rely on it for deburring and weld blending between passes.

Key Features

• Ceramic abrasive grain molded into bristles delivers aggressive cutting throughout the full disc life
• Flexible bristles conform to contoured and complex part surfaces with less applied pressure than wire brushes
• Curved disc profile increases surface contact area for faster material removal
• Bristle spacing optimized for high-loading applications including thick coatings and heavy oxides
• Contains no wire filaments, reducing wire-fragment hazard during operation
• Handles strip, deburr, blend, finish, polish, clean, and coating-removal tasks in a single tool

Compatibility

Designed for use with angle grinders and die grinders that accept 2-inch radial bristle disc attachments. Verify arbor compatibility and maximum RPM rating of the host tool before installation.

Installation Notes

This disc is installed and serviced by fabricators, welders, and maintenance technicians using standard grinder tooling. Power down and disconnect the tool from its power source before mounting or removing the disc. Confirm the tool spindle speed does not exceed the disc maximum RPM rating. Always wear appropriate eye and face protection, as well as gloves, when operating abrasive discs.

Technical Specifications

• Diameter: 2 inches
• Grit: 120
• Abrasive Material: Ceramic
• Disc Profile: Curved
• Weight: 0.4 pounds
• Package Dimensions: 6.3 x 6.3 x 4.6 inches
• UPC: 00048011301204

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100138294